The mark is the number of the beast which is 666. You will be given a choice take the mark you can buy, sell, trade, and go anywhere in the world as you wish. But, you must deny your faith in God and the words that is written down in the Bible. If, you do this you will be giving up your set to be with your family and friends that has went to heaven to be with God the father and his only son Jesus Christ. So, you be damning your soul and turning your back on all of the many things that is pure and right to be wrong in the eyes of the great creator God the father. I gave you my side of the enlightenment to your question. If, others would like to add more or twisted it around than so be it. It is what it is truth be told.
This is just so hard to read and make sense of with all the improper punctuation.